You would leave on or before July 11th.
Behar Intl. Counsel 619.234.5962 Kindly be advised that the answer above is only general in nature cannot be construed as legal advice, given that not enough facts are known. It is your responsibility to retain a lawyer to analyze the facts specific to your particular situation in order to give you specific advice. Specific answers will require cognizance of all pertinent facts about your case. Any answers offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship.
The last day you can be here is July 11th unless your I-94 states that you were granted a 10 day grace period following that date to depart the US.
My colleague is correct ... look at your I-94 ... that is your departure date.
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